Favorite Links:

These are great video sites for teachers to use.
http://www.ecb.org or http://www.badgerlink.net
http://www.5min.com/ "How to" videos that last no longer than 5 minutes each.
http://www.brightstorm.com/ Step-by-step video help for various topics. Not all videos are free.
http://edublogs.tv/ A video sharing website geared towards education.
http://www.instructables.com/ A "how to" website with videos, PDFs, and instructables.
http://johnlocker.com/ Documentaries listed by category.
http://kideos.com A site where kids can safely watch videos online - all videos have been screened before being published.
http://www.schooltube.com/ A K-12 moderated video sharing website that provides students and educators with safe video sharing.
http://schoolwaxtv.com/ Educator approved videos and documentaries.
http://www.snagfilms.com/ A database for documentaries.
http://www.teachers.tv/ Educational programs on TV and online.
http://www.xtimeline.com/ Search and view timelines, or sign up and create your own.
http://www.khanacademy.com/ Videos for primarily math and science, but also videos for social studies and finance - grades 1-12.

Web 2.0 Links:

http://www.wordle.net
http://www.picnik.com
Picasa
Mixbook